• Carrying up to 9 million passengers in a single day, Moscow’s subway system is the second most heavily used in the world. Experience an exhilarating day in the Moscow Metro in less than 2 minutes in this video from Russian cinematographer Sasha Aleksandrov—made even more epic when set to Edvard Grieg’s famous orchestral piece “In the Hall of the Mountain King” from Peer Gynt. (You’ll recognize it when you hear it.)

• Can you imagine New York City without any people? What about Beijing, or Paris? Using long-exposure photography to filter out moving objects like cars and people, artist duo Lucie & Simon explore “the majestic calm of the streets and squares.” The effect is at once beautiful and eerie.

• Feel like you’re living in a bubble? Visitors to Tomás Saraceno’s recent exhibition Cloud Cities, at Berlin’s Hamburger Bahnhof, did just that. An inventive mix of architecture and ecology, the installation comprised giant plastic bubbles that visitors could climb into or lounge on top of, suspended from a spiderweb-like structure.

• The total area of the vacant land in Detroit—139 square miles—could fit the entire city of Paris inside it. If divided into football fields, it could host 25,000 simultaneous games. Despite Mayor Dave Bing’s Detroit Works plans, and residents’ ideas of new uses, the future of Detroit’s unused land is unclear. With low market demand, what’s to become of these spaces? (Submitted by Steve M., Newark, NJ)

• Better public transportation, recycling programs, and more film screenings are just some of the suggestions on Neighborland, a platform to share ideas and insights for your city. The project stems from artist Candy Chang’s work in New Orleans, where she posted stickers on abandoned buildings that said “I WISH THIS WAS _____________,” sparking community dialogue. Currently live in New Orleans, and being tested in Houston and Boulder, Neighborland is planning a national rollout soon.

Have a suggestion for Friday links? E-mail bmwguggenheimlab@guggenheim.org with your link, first name, and where you’re from. We’re excited to hear from you!